To cut into a surface with an acid or any other corrosive substance so as to make a pattern. Most widely known as a method for generating publishing plates, and used for decoration on material, and, in modern business, in order to make circuit panels.

To engrave a surface.

to create a lasting impression.

cause to stand away or perhaps obviously defined or visible

make an etching of

carve or cut into a block useful for printing or printing from these types of a block

carve or reduce a design or letters into

selectively break down the area of (a semiconductor or imprinted circuit) with a solvent, laser, or blast of electrons

To reduce or bite with an acid or mordant; especially, to engrave by the use of a mordant: because, to etch a design on a copperplate: used within the fine arts either to a design or to the plate upon which it really is made. See etching.